Flood Warning — McLean County, Illinois
Flooding is occurring or imminent along rivers, streams, or low-lying areas.
Current Status
🌊 Active: Flood Warning
Flood Warning issued August 15 at 10:43AM CDT until August 15 at 6:00PM CDT by NWS Lincoln IL
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of central Illinois, including the following county, McLean. * WHEN...Until 600 PM CDT Saturday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. Streams continue to rise due to excess runoff from earlier rainfall. Expect many areas of slow moving or standing water. * ADDITIONAL DETAILS... - At 1042 AM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Flooding is already occurring in the warned area. Between 2 and 4 inches of rain have fallen. - Some locations that will experience flooding include... Colfax, Saybrook, Bellflower, Arrowsmith, Cropsey and Anchor. - http://www.weather.gov/safety/flood
Effective August 15, 2026 at 11:43 AM ET · Expires August 15, 2026 at 7:00 PM ET
Event Details
Event Type
Flood Warning
Severity
severe
Issued By
NWS Lincoln IL
Expires
August 15, 2026 at 7:00 PM ET
Last Checked
2 minutes ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
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Frequently Asked Questions
What does a Flood Warning mean for McLean County, Illinois?
Flooding is occurring or imminent along rivers, streams, or low-lying areas.
Is this Flood Warning currently active?
Yes — this alert is active as of our last check (2 minutes ago). It's set to expire August 15, 2026 at 7:00 PM ET.
How do I get notified about Flood Warning alerts for McLean County?
Download StormCast free on Google Play and set McLean County, Illinois as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.